Base | Representation |
---|---|
bin | 111100100101111010… |
… | …0101010001010000000 |
3 | 110102212100211111010102 |
4 | 1321023310222022000 |
5 | 4112442001123430 |
6 | 135435443021532 |
7 | 12254344136045 |
oct | 1711364521200 |
9 | 412770744112 |
10 | 130121114240 |
11 | 50202a82047 |
12 | 2127536a8a8 |
13 | c368ccb970 |
14 | 64255d51cc |
15 | 35b87d9345 |
hex | 1e4bd2a280 |
130121114240 has 64 divisors (see below), whose sum is σ = 334999332360. Its totient is φ = 48044716032.
The previous prime is 130121114219. The next prime is 130121114251. The reversal of 130121114240 is 42411121031.
It can be written as a sum of positive squares in 4 ways, for example, as 93993749056 + 36127365184 = 306584^2 + 190072^2 .
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7811459 + ... + 7828098.
Almost surely, 2130121114240 is an apocalyptic number.
130121114240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130121114240 is an abundant number, since it is smaller than the sum of its proper divisors (204878218120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130121114240 is a wasteful number, since it uses less digits than its factorization.
130121114240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15639589 (or 15639577 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 130121114240 its reverse (42411121031), we get a palindrome (172532235271).
The spelling of 130121114240 in words is "one hundred thirty billion, one hundred twenty-one million, one hundred fourteen thousand, two hundred forty".
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